- ADVANCED TECHNOLOGY - Developed with Sumitomo Rubber's cutting "Edge" 3D sipe technology and compounds to provide: Excellent grip in snow and on ice and Stable handling & comfort - ALL-SEASON VERSATILITY- It's the studdable tire that delivers superior cold-weather performance, studfree. All without sacrificing ride quality and comfort. - PROGRESSIVE SEGMENT COVERAGE - 57 sizes, from 14 to 20-inch in T-speed rating for a broad, progressive size range. - CONFIDENCE AND SECURITY - Certified with the Rubber Manufacturers Association 3 Peak Mountain Snow Flake (3PMSF) symbol for severe snow performance to meet the needs of users in the harshest of winter driving environments.